Jinx wrote:

>>>Are you clearing TMR0 and the roll-over counter at each IRQ ?
>>>
>>>     =20
>>>
>>Yes I do that on the falling edge.
>>   =20
>>
>
>Hmmm. OK, you think the values you get are "random". But are
>they really - is there any kind of pattern or similarity ? Have you
>looked at the difference between consecutive readings ? Is there
>any change if you put TMR0 in 16-bit mode ? INT0 and TMR0
>IRQ bits are all in INTCON - no mix-up with bit numbers ?
>
> =20
>
Good (and helpful) questions. I shall do a double check on these=20
parameters. You guys gave me some energy now again :-)

/Ake

--=20
 ---
Ake Hedman (YAP - Yet Another Programmer)
eurosource, Brattbergav=E4gen 17, 820 50 LOS, Sweden
Phone: (46) 657 413430 Cellular: (46) 73 84 84 102
Company home: http://www.eurosource.se     =20
Kryddor/Te/Kaffe: http://www.brattberg.com
Personal homepage: http://www.eurosource.se/akhe
Automated home: http://www.vscp.org


--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist